<SEC-DOCUMENT>0001104659-19-059505.txt : 20191104
<SEC-HEADER>0001104659-19-059505.hdr.sgml : 20191104
<ACCEPTANCE-DATETIME>20191104161550
ACCESSION NUMBER:		0001104659-19-059505
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20191031
FILED AS OF DATE:		20191104
DATE AS OF CHANGE:		20191104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Love Colin
		CENTRAL INDEX KEY:			0001376493

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38596
		FILM NUMBER:		191189987

	MAIL ADDRESS:	
		STREET 1:		C/O REPLIMUNE GROUP, INC.
		STREET 2:		18 COMMERCE WAY
		CITY:			WOBURN
		STATE:			MA
		ZIP:			10801

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Replimune Group, Inc.
		CENTRAL INDEX KEY:			0001737953
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				822082553
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		500 UNICORN PARK
		CITY:			WOBURN
		STATE:			DE
		ZIP:			01801
		BUSINESS PHONE:		(781) 222-9600

	MAIL ADDRESS:	
		STREET 1:		500 UNICORN PARK
		CITY:			WOBURN
		STATE:			DE
		ZIP:			01801
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-10-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001737953</issuerCik>
        <issuerName>Replimune Group, Inc.</issuerName>
        <issuerTradingSymbol>REPL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001376493</rptOwnerCik>
            <rptOwnerName>Love Colin</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O REPLIMUNE GROUP, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>18 COMMERCE WAY</rptOwnerStreet2>
            <rptOwnerCity>WOBURN</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01801</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Operating Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-10-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11250</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1096524</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The sale reported on this Form 4 was made by the reporting person pursuant to a trading plan adopted on March 7, 2019 that is intended to comply with Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended.</footnote>
        <footnote id="F2">Following the sale reported on this Form 4, the reporting person continues to beneficially own 1,096,524 shares of the Issuer's common stock. The reporting person also holds options to acquire 328,103 shares of the Issuer's common stock, 115,169 of which are exercisable as of the date hereof.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Robert Coffin, attorney-in-fact</signatureName>
        <signatureDate>2019-11-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
